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Taking the Drag Out of the Tour de France
Posted Tue August 16, 2005 @02:01PM
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News Desktop Engineering has posted an article on the use of CFD to predict the aerodynamics of Tour de France Team Time Trail competition.
By performing CFD simulations of a nine-man TTT and a single cyclist ITT, it is possible to evaluate the influence of drafting. Although individual cyclists have been subjected to wind-tunnel testing, the sheer size of a nine-cyclist paceline makes physical testing impractical. In the CFD world, entire TTT calculations were, until recently, prohibitively expensive, requiring a great number of computational cells to sufficiently resolve the flow past the line of cyclists.

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